According to the Air Traffic Act (NN 69/09, 84/11, 54/13, 127/13, 92/14), aerodrome is a defined area on land or water (including all objects, installations and equipment) intended to be used either wholly or in part for surface movement, take-offs, landings and stay of aircraft. Croatian Civil Aviation Agency is authorized for certification of civil aerodromes, oversight and inspection of the air traffic safety, and supervision of technical and operational conditions and economic competence of civil aerodromes in the Republic of Croatia.